package com.ourchem.web.controller.system;

import java.util.Iterator;
import java.util.List;
import java.util.Set;

import cn.hutool.http.HttpStatus;
import com.ourchem.common.constant.UserConstants;
import com.ourchem.common.utils.StringUtils;
import com.ourchem.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import com.ourchem.common.constant.Constants;
import com.ourchem.common.core.domain.AjaxResult;
import com.ourchem.common.core.domain.entity.SysMenu;
import com.ourchem.common.core.domain.entity.SysUser;
import com.ourchem.common.core.domain.model.LoginBody;
import com.ourchem.common.utils.SecurityUtils;
import com.ourchem.framework.web.service.SysLoginService;
import com.ourchem.framework.web.service.SysPermissionService;
import com.ourchem.system.service.ISysMenuService;

/**
 * 登录验证
 *
 * @author ourchem
 */
@RestController
public class SysLoginController
{
    @Autowired
    private SysLoginService loginService;

    @Autowired
    private ISysMenuService menuService;

    @Autowired
    private SysPermissionService permissionService;

    @Autowired
    private ISysUserService userService;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody)
    {
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        ajax.put(Constants.TOKEN, token);

        SysUser user = new SysUser();
        //获取user_id
//        SysUser sysUser = userService.selectUserByUserName(loginBody.getUsername());
        SysUser sysUser = userService.selectUserByEmail(loginBody.getUsername());
        ajax.put("userId",sysUser.getUserId());
        ajax.put("avatar",sysUser.getAvatar());
        Set<String> roles = permissionService.getRolePermission(sysUser);
        //用户角色
        Iterator<String> iterator = roles.iterator();
        if (iterator.hasNext()){
            String next = iterator.next();
            ajax.put("role",next);
        }
        //用户名称
        ajax.put("userName",sysUser.getUserName());
        return ajax;
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
//    @PreAuthorize("@ss.hasPermi('system:user')")
    @GetMapping("/getInfo")
    public AjaxResult getInfo()
    {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        return ajax;
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */

    @GetMapping("getRouters")
    public AjaxResult getRouters()
    {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }

    /**
     * 判断邮箱是否存在
     * */

    @GetMapping("/email")
    public AjaxResult email(SysUser user){

        if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user)))
        {
            return AjaxResult.error(HttpStatus.HTTP_BAD_REQUEST,"邮箱账号已存在");
        }

        return AjaxResult.success("邮箱可用");
    }



}
